```html
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>ChatWise - 高性能AI聊天机器人</title>
    <link rel="stylesheet" href="https://cdn.staticfile.org/font-awesome/6.4.0/css/all.min.css">
    <link rel="stylesheet" href="https://cdn.staticfile.org/tailwindcss/2.2.19/tailwind.min.css">
    <link href="https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&display=swap" rel="stylesheet">
    <script src="https://cdn.jsdelivr.net/npm/mermaid@latest/dist/mermaid.min.js"></script>
    <style>
        body {
            font-family: 'Noto Sans SC', Tahoma, Arial, Roboto, "Droid Sans", "Helvetica Neue", "Droid Sans Fallback", "Heiti SC", "Hiragino Sans GB", Simsun, sans-serif;
            color: #3f3f46;
            line-height: 1.6;
        }
        .serif {
            font-family: 'Noto Serif SC', serif;
        }
        .hero-gradient {
            background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
        }
        .card-hover {
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .feature-icon {
            transition: all 0.3s ease;
        }
        .feature-icon:hover {
            transform: scale(1.1);
        }
        .link-hover {
            transition: all 0.2s ease;
        }
        .link-hover:hover {
            color: #8b5cf6;
        }
    </style>
</head>
<body class="bg-gray-50">
    <!-- Hero Section -->
    <section class="hero-gradient text-white py-20 md:py-32 px-4 md:px-0">
        <div class="container mx-auto max-w-5xl flex flex-col md:flex-row items-center">
            <div class="md:w-1/2 mb-10 md:mb-0 md:pr-10">
                <h1 class="text-4xl md:text-5xl font-bold mb-6 serif leading-tight">ChatWise</h1>
                <p class="text-xl md:text-2xl mb-8 opacity-90">高性能AI聊天机器人，重塑您的对话体验</p>
                <p class="text-lg mb-8 opacity-80">支持多种大型语言模型，注重隐私保护，多功能多模态聊天体验</p>
                <a href="https://chatwise.app/" target="_blank" class="inline-block bg-white text-indigo-600 hover:bg-gray-100 font-medium py-3 px-6 rounded-lg transition duration-300 transform hover:-translate-y-1 shadow-lg">
                    访问官网 <i class="fas fa-arrow-right ml-2"></i>
                </a>
            </div>
            <div class="md:w-1/2">
                <div class="bg-white bg-opacity-10 backdrop-filter backdrop-blur-sm rounded-2xl p-6 border border-white border-opacity-20">
                    <div class="flex items-center mb-4">
                        <div class="h-3 w-3 rounded-full bg-red-500 mr-2"></div>
                        <div class="h-3 w-3 rounded-full bg-yellow-500 mr-2"></div>
                        <div class="h-3 w-3 rounded-full bg-green-500"></div>
                    </div>
                    <div class="bg-black bg-opacity-50 rounded-lg p-4 h-64 overflow-y-auto">
                        <div class="flex mb-4">
                            <div class="bg-indigo-500 text-white rounded-lg p-3 max-w-xs">
                                <p>ChatWise有哪些核心功能？</p>
                            </div>
                        </div>
                        <div class="flex justify-end mb-4">
                            <div class="bg-gray-700 text-white rounded-lg p-3 max-w-xs md:max-w-md">
                                <p>ChatWise是一款高性能AI聊天机器人，支持GPT-4、Claude、Gemini等大型语言模型。它注重隐私保护，数据本地存储，支持多模态聊天（语音、PDF、图片、文本文件），并提供网页搜索功能。</p>
                            </div>
                        </div>
                        <div class="flex">
                            <div class="bg-indigo-500 text-white rounded-lg p-3 max-w-xs">
                                <p>为什么选择ChatWise？</p>
                            </div>
                        </div>
                    </div>
                    <div class="mt-4 flex items-center">
                        <input type="text" placeholder="输入消息..." class="flex-grow bg-white bg-opacity-20 text-white placeholder-white placeholder-opacity-70 rounded-l-lg px-4 py-2 focus:outline-none">
                        <button class="bg-indigo-500 hover:bg-indigo-600 text-white px-4 py-2 rounded-r-lg transition duration-200">
                            <i class="fas fa-paper-plane"></i>
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Features Section -->
    <section class="py-16 px-4 md:px-0">
        <div class="container mx-auto max-w-5xl">
            <h2 class="text-3xl md:text-4xl font-bold mb-12 text-center serif">核心优势</h2>
            
            <div class="grid md:grid-cols-2 gap-8 mb-16">
                <div class="bg-white rounded-xl shadow-lg overflow-hidden card-hover">
                    <div class="p-8">
                        <div class="w-14 h-14 bg-indigo-100 rounded-lg flex items-center justify-center mb-6">
                            <i class="fas fa-shield-alt text-indigo-600 text-2xl feature-icon"></i>
                        </div>
                        <h3 class="text-xl font-bold mb-3">隐私优先设计</h3>
                        <p class="text-gray-600">所有用户数据均存储在本地，仅在与LLM提供商通信时例外。保护您的隐私是我们的首要任务。</p>
                    </div>
                </div>
                
                <div class="bg-white rounded-xl shadow-lg overflow-hidden card-hover">
                    <div class="p-8">
                        <div class="w-14 h-14 bg-purple-100 rounded-lg flex items-center justify-center mb-6">
                            <i class="fas fa-brain text-purple-600 text-2xl feature-icon"></i>
                        </div>
                        <h3 class="text-xl font-bold mb-3">多模型支持</h3>
                        <p class="text-gray-600">支持GPT-4、Claude、Gemini等多种强大的语言模型，让您根据需要选择最适合的AI助手。</p>
                    </div>
                </div>
                
                <div class="bg-white rounded-xl shadow-lg overflow-hidden card-hover">
                    <div class="p-8">
                        <div class="w-14 h-14 bg-pink-100 rounded-lg flex items-center justify-center mb-6">
                            <i class="fas fa-file-alt text-pink-600 text-2xl feature-icon"></i>
                        </div>
                        <h3 class="text-xl font-bold mb-3">多模态交互</h3>
                        <p class="text-gray-600">不仅支持文本聊天，还能处理PDF、图片和语音等多种格式，提供更丰富的交互体验。</p>
                    </div>
                </div>
                
                <div class="bg-white rounded-xl shadow-lg overflow-hidden card-hover">
                    <div class="p-8">
                        <div class="w-14 h-14 bg-blue-100 rounded-lg flex items-center justify-center mb-6">
                            <i class="fas fa-search text-blue-600 text-2xl feature-icon"></i>
                        </div>
                        <h3 class="text-xl font-bold mb-3">智能搜索</h3>
                        <p class="text-gray-600">内置网页搜索功能，可通过Tavily API或本地浏览器搜索，为您提供最新、最相关的信息。</p>
                    </div>
                </div>
            </div>
            
            <div class="bg-gradient-to-r from-indigo-50 to-purple-50 rounded-xl p-8 md:p-12">
                <div class="flex flex-col md:flex-row items-center">
                    <div class="md:w-1/2 mb-8 md:mb-0 md:pr-10">
                        <h3 class="text-2xl font-bold mb-4 serif">为何ChatWise与众不同？</h3>
                        <p class="text-gray-700 mb-6">ChatWise将高性能AI技术与隐私保护相结合，在提供强大功能的同时，确保您的数据安全。我们相信，技术应该既强大又可靠。</p>
                        <ul class="space-y-3">
                            <li class="flex items-start">
                                <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                                <span>高性能本地处理能力</span>
                            </li>
                            <li class="flex items-start">
                                <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                                <span>持续迭代更新的产品路线</span>
                            </li>
                            <li class="flex items-start">
                                <i class="fas fa-check-circle text-indigo-500 mt-1 mr-2"></i>
                                <span>简洁高效的用户界面</span>
                            </li>
                        </ul>
                    </div>
                    <div class="md:w-1/2">
                        <div class="mermaid">
                            graph TD
                                A[ChatWise核心优势] --> B[隐私保护]
                                A --> C[多模型支持]
                                A --> D[多模态交互]
                                A --> E[智能搜索]
                                B --> F[数据本地存储]
                                C --> G[GPT-4/Claude/Gemini]
                                D --> H[文本/语音/PDF/图片]
                                E --> I[Tavily API/本地搜索]
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- CTA Section -->
    <section class="py-16 px-4 md:px-0 bg-indigo-600 text-white">
        <div class="container mx-auto max-w-3xl text-center">
            <h2 class="text-3xl md:text-4xl font-bold mb-6 serif">准备好体验ChatWise的强大功能了吗？</h2>
            <p class="text-xl mb-8 opacity-90">立即访问ChatWise官网，开启您的高效AI对话之旅</p>
            <a href="https://chatwise.app/" target="_blank" class="inline-block bg-white text-indigo-600 hover:bg-gray-100 font-medium py-3 px-8 rounded-lg transition duration-300 transform hover:scale-105 shadow-lg">
                立即体验 <i class="fas fa-external-link-alt ml-2"></i>
            </a>
        </div>
    </section>

    <!-- Footer -->
    <footer class="bg-gray-900 text-gray-300 py-8 px-4">
        <div class="container mx-auto max-w-5xl">
            <div class="flex flex-col md:flex-row justify-between items-center">
                <div class="mb-4 md:mb-0">
                    <p class="text-lg font-medium">技术小馆</p>
                </div>
                <div>
                    <a href="http://www.yuque.com/jtostring" target="_blank" class="link-hover hover:text-white flex items-center">
                        <i class="fas fa-link mr-2"></i>
                        <span>http://www.yuque.com/jtostring</span>
                    </a>
                </div>
            </div>
        </div>
    </footer>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'dark',
            flowchart: {
                useMaxWidth: false,
                htmlLabels: true,
                curve: 'basis'
            }
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        // 平滑滚动效果
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                    behavior: 'smooth'
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</body>
</html>
```